1. Preheat oven to 350 degrees F, with racks in upper and lower thirds. Whisk together flour, baking powder, and salt. In a large bowl, using an electric mixer, beat butter, granulated sugar, 1 tablespoon orange zest, and 2 teaspoons lemon zest on medium-high until pale and fluffy, 3 minutes, scraping down bowl as needed. beat in eggs, one at a time. Add flour mixture: beat to combine.

When I was in Italy - I had these thin crispy citrus cookies that I have not been able to replicate. This look like a very good possibility! You know I'll be making them this week - love an orange cookies!